What is a meter of sound level?
The sound level meter (SLM) is an electronic device used to measure sound pressure levels in the area. SLM is often used to determine whether the environment is loud enough to harm the hearing of a person. This is particularly important in construction sites and in production facilities where workers can be exposed to long -term sound exposure. Many sports stadiums and arenas also use meters to display the level of the crowd noise.
The sound meter measures the sound in units known as decibels (DB). The threshold for human hearing is 0bd. Normal conversations usually measure between 60 dB and 70 dB and human hearing damage begins at a permanent level of 90 dB. Hearing damage can occur before the sound becomes loud enough to be physically painful, so it is important to use the meters to verify the sound levels. Safe levels of sound for the working environment in the United States are determined by the management of safety and health at work (OSHA).
In addition to the safety of the workplaceThe workplace, when setting speakers for public addresses, a sound level meter is often used. This allows everyone in the crowd to clearly hear the speaker. Sound enthusiasts can also use SLM to test speakers in the home or authorial stereo system.
Most SLMs are devices powered by a mobile phone size. These devices can have digital or analog displays and have large microphones. Since 2011, the basic meter generally stands below 50 USD (USD). More expensive models usually have greater sensitivity and can record multiple measurements for larger space surveys. These high -end models can cost several hundred USD.
If safety is not a primary problem, most consumers will probably only need a basic sound rate. If a user needs to measure sound levels below 50 dB or must make accurate measurements, he should invest in auctionThe model of the model. Multiple stocks in the User may also allow the user to measure using different sound frequencies.
noise dosimeters are another type of sound measurement device that is often used in conjunction with SLM. Similar to chemical or radiological dosimeters, noise dosimeters monitor how much sound exposure one receives when wearing equipment. This can more precisely predict whether a person has been exposed to a harmful level of sound. Another simple device, noise indicator, will monitor sound and alert the user when he should give hearing protection. The use of a sound meter or other sound measurement device can significantly increase the long -term safety of workers and well -being at a loud workplace.